Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299792 | Halogenated hydrocarbon refrigerant compositions containing polymeric oil-return agents | Andrew Edward Feiring, Lois Lo-I Lin, Barbara Haviland Minor, Glenn S. Shealy | 2001-10-09 |
| 6112547 | Reduced pressure carbon dioxide-based refrigeration system | Ullrich Hesse | 2000-09-05 |
| 6073454 | Reduced pressure carbon dioxide-based refrigeration system | Ullrich Hesse | 2000-06-13 |
| 5887441 | Method of removing an immiscible lubricant from a refrigeration system and apparatus for same | Thomas L. Starr | 1999-03-30 |
| 5636520 | Method of removing an immiscible lubricant from an refrigeration system | Thomas L. Starr | 1997-06-10 |
| 5372737 | Lubricating oil composition for refrigerant and method of use | — | 1994-12-13 |
| 4417451 | Vapor compression refrigerant system monitor and gas removal apparatus | — | 1983-11-29 |
| 4316364 | Vapor compression refrigerant system monitor | — | 1982-02-23 |